package com.suyi.dao;

import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;

/**
 * @authoer 贺先生
 * date 2021/4/28 9:33
 */
@Mapper
public interface TStorageDao {

    //扣减库存
    void decrease(@Param("productId") Long productId, @Param("count") Integer count);
}
